NF T54-918-1:1999 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Styrene copolymer blends (SAN + PVC) - Part 1 : specifications for pipes, fittings and the system.
1999NF T54-918-1:1999 Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Styrene copolymer blends (SAN + PVC) - Part 1 : specifications for pipes, fittings and the system.